Foundation of ajax
We thought we had found the Holy Grail of software development when we started building Web applications several years ago. Previously we had been developing thick client applications that required a lengthy installation process every time a new version of the company’s application was released. The application was deployed to several hundred users scattered across the country, and much to our dismay we had to watch as the complex and error-prone installation process continually caused headaches and angst for developers and users alike.
Deploying an application through a browser seemed like a much more palatable option because it would eliminate the need to install software on the client computer. So, like many others, our organization moved swiftly to deploying applications on the Web.
Despite the relative ease of deployment, Web applications still had their share of issues. Most notable from a user’s perspective was the significant loss of rich interactivity provided by the user interface. Web applications were constrained to the basic set of widgets provided by HTML. Worse yet, interacting with the server required a complete refresh of the page, which was disconcerting t...کلمات کلیدی: برنامه نویسی وب - web programming - xml - html - web - web application - ajax - ایجکس - وب - آموزش ایجکس -